87544123 has 2 divisors, whose sum is σ = 87544124. Its totient is φ = 87544122.

The previous prime is 87544099. The next prime is 87544133. The reversal of 87544123 is 32144578.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87544123 - 2⁵ = 87544091 is a prime.

It is not a weakly prime, because it can be changed into another prime (87544133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43772061 + 43772062.

It is an arithmetic number, because the mean of its divisors is an integer number (43772062).

Almost surely, 2^87544123 is an apocalyptic number.

87544123 is a deficient number, since it is larger than the sum of its proper divisors (1).

87544123 is an equidigital number, since it uses as much as digits as its factorization.

87544123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26880, while the sum is 34.

The square root of 87544123 is about 9356.5016432425. The cubic root of 87544123 is about 444.0266111664.

The spelling of 87544123 in words is "eighty-seven million, five hundred forty-four thousand, one hundred twenty-three".